/* Copyright (c) 2007-2008, Jeffrey R Griffin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of Jeffrey R Griffin nor the
*       names of his contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Jeffrey R Griffin ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package net.visibleblue.android.restaurant;

import java.util.Map;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ListView;

public class CustomListView extends ListView {
	
	private int _initialWidthMeasureSpec = -1;
	private int _initialHeightMeasureSpec = -1;
	
	public CustomListView(Context context)
	{
		super(context);
	}

	public CustomListView(Context context, AttributeSet attrs, Map inflateParams)
	{
		super(context, attrs, inflateParams);
	}

	@Override
	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) 
	{
		if(_initialHeightMeasureSpec==-1)
			_initialHeightMeasureSpec = heightMeasureSpec;
		if(_initialWidthMeasureSpec==-1)
			_initialWidthMeasureSpec = widthMeasureSpec;
		int width = View.MeasureSpec.getSize(widthMeasureSpec)-100;
		int widestChild = 0;
		for(int i=0; i<getAdapter().getCount(); i++)
		{
			View child = getAdapter().getView(i, null, this);
			child.measure(View.MeasureSpec.makeMeasureSpec(width, View.MeasureSpec.AT_MOST),0);
			if(widestChild<child.getMeasuredWidth())
				widestChild = child.getMeasuredWidth();
		}
		super.onMeasure( View.MeasureSpec.makeMeasureSpec(Math.min(widestChild, width), 
				View.MeasureSpec.AT_MOST), heightMeasureSpec);
	}
	
	public int getChildY(int position)
	{
		int height = 0;
		for(int i=0; i<position; i++)
		{
			View child = getAdapter().getView(i, null, this);
			if(getMeasuredWidth()==0)
			{
				measure(_initialWidthMeasureSpec, _initialHeightMeasureSpec);
			}
			child.measure(View.MeasureSpec.makeMeasureSpec(getMeasuredWidth(), View.MeasureSpec.EXACTLY),
					View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
			height+=child.getMeasuredHeight();
		}
		return height;
	}
}
